JavaScriptCore-7600.1.4.15.12.tar.gz

[apple/javascriptcore.git] / runtime / RegExp.h

diff --git a/runtime/RegExp.h b/runtime/RegExp.h
index 79f4694ee134bfd60ef396a31bdeeb44bc94e3e2..fec8f6a6fa2ac754c4ab88769228e8b019c698af 100644 (file)
--- a/runtime/RegExp.h
+++ b/runtime/RegExp.h
@@ -22,40 +22,51 @@
 #ifndef RegExp_h
 #define RegExp_h
 
-#include "UString.h"
 #include "ExecutableAllocator.h"
-#include "Structure.h"
+#include "MatchResult.h"
 #include "RegExpKey.h"
+#include "Structure.h"
+#include "yarr/Yarr.h"
 #include <wtf/Forward.h>
 #include <wtf/RefCounted.h>
+#include <wtf/text/WTFString.h>
+
+#if ENABLE(YARR_JIT)
+#include "yarr/YarrJIT.h"
+#endif
 
 namespace JSC {
 
     struct RegExpRepresentation;
-    class JSGlobalData;
+    class VM;
 
-    RegExpFlags regExpFlags(const UString&);
+    JS_EXPORT_PRIVATE RegExpFlags regExpFlags(const String&);
 
     class RegExp : public JSCell {
     public:
-        static RegExp* create(JSGlobalData*, const UString& pattern, RegExpFlags);
-        ~RegExp();
+        typedef JSCell Base;
+
+        JS_EXPORT_PRIVATE static RegExp* create(VM&, const String& pattern, RegExpFlags);
+        static const bool needsDestruction = true;
+        static const bool hasImmortalStructure = true;
+        static void destroy(JSCell*);
 
         bool global() const { return m_flags & FlagGlobal; }
         bool ignoreCase() const { return m_flags & FlagIgnoreCase; }
         bool multiline() const { return m_flags & FlagMultiline; }
 
-        const UString& pattern() const { return m_patternString; }
+        const String& pattern() const { return m_patternString; }
 
         bool isValid() const { return !m_constructionError && m_flags != InvalidFlags; }
         const char* errorMessage() const { return m_constructionError; }
 
-        int match(JSGlobalData&, const UString&, int startOffset, Vector<int, 32>* ovector = 0);
+        JS_EXPORT_PRIVATE int match(VM&, const String&, unsigned startOffset, Vector<int, 32>& ovector);
+        MatchResult match(VM&, const String&, unsigned startOffset);
         unsigned numSubpatterns() const { return m_numSubpatterns; }
 
         bool hasCode()
         {
-            return m_representation;
+            return m_state != NotCompiled;
         }
 
         void invalidateCode();
@@ -64,49 +75,60 @@ namespace JSC {
         void printTraceData();
 #endif
 
-        static Structure* createStructure(JSGlobalData& globalData, JSValue prototype)
+        static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
         {
-            return Structure::create(globalData, prototype, TypeInfo(LeafType, 0), 0, &s_info);
+            return Structure::create(vm, globalObject, prototype, TypeInfo(LeafType, StructureFlags), info());
         }
         
-        static JS_EXPORTDATA const ClassInfo s_info;
+        DECLARE_INFO;
 
         RegExpKey key() { return RegExpKey(m_flags, m_patternString); }
 
+    protected:
+        static const unsigned StructureFlags = StructureIsImmortal;
+
+        void finishCreation(VM&);
+
     private:
         friend class RegExpCache;
-        RegExp(JSGlobalData* globalData, const UString& pattern, RegExpFlags);
+        RegExp(VM&, const String&, RegExpFlags);
+
+        static RegExp* createWithoutCaching(VM&, const String&, RegExpFlags);
 
         enum RegExpState {
             ParseError,
             JITCode,
             ByteCode,
-            NotCompiled,
-            Compiling
+            NotCompiled
         } m_state;
 
-        void compile(JSGlobalData*);
-        void compileIfNecessary(JSGlobalData& globalData)
-        {
-            if (m_representation)
-                return;
-            compile(&globalData);
-        }
+        void compile(VM*, Yarr::YarrCharSize);
+        void compileIfNecessary(VM&, Yarr::YarrCharSize);
+
+        void compileMatchOnly(VM*, Yarr::YarrCharSize);
+        void compileIfNecessaryMatchOnly(VM&, Yarr::YarrCharSize);
 
 #if ENABLE(YARR_JIT_DEBUG)
-        void matchCompareWithInterpreter(const UString&, int startOffset, int* offsetVector, int jitResult);
+        void matchCompareWithInterpreter(const String&, int startOffset, int* offsetVector, int jitResult);
 #endif
 
-        UString m_patternString;
+        String m_patternString;
         RegExpFlags m_flags;
         const char* m_constructionError;
         unsigned m_numSubpatterns;
 #if ENABLE(REGEXP_TRACING)
+        double m_rtMatchOnlyTotalSubjectStringLen;
+        double m_rtMatchTotalSubjectStringLen;
+        unsigned m_rtMatchOnlyCallCount;
+        unsigned m_rtMatchOnlyFoundCount;
         unsigned m_rtMatchCallCount;
         unsigned m_rtMatchFoundCount;
 #endif
 
-        OwnPtr<RegExpRepresentation> m_representation;
+#if ENABLE(YARR_JIT)
+        Yarr::YarrCodeBlock m_regExpJITCode;
+#endif
+        OwnPtr<Yarr::BytecodePattern> m_regExpBytecode;
     };
 
 } // namespace JSC